Resource-Efficient Demarcations for Downlink Messages in 5G and 6G

2. The method of claim 1, wherein the request message is transmitted according to 5G or 6G technology.

3. The method of claim 1, wherein the downlink channel is a PDCCH (physical downlink control channel) and the downlink message is a control message.

4. The method of claim 1, wherein the downlink channel is a PDSCH (physical downlink shared channel) and the downlink message is a data message.

5. The method of claim 1, wherein the leading demarcation is different from the trailing demarcation.

6. The method of claim 1, wherein the leading demarcation comprises an identification code of the user device.

7. The method of claim 1, wherein the leading demarcation comprises a first portion and the trailing demarcation comprises a second portion, wherein the first and second portions together comprise an identification code of the user device.

8. The method of claim 1, wherein the leading demarcation indicates a length of the downlink message.

10. The method of claim 9, wherein the leading demarcation comprises a first gap with no transmission and the trailing demarcation comprises a second gap with no transmission.

11. The method of claim 10, wherein the first gap with no transmission is at a start of the leading demarcation and the second gap with no transmission is at an end of the second demarcation.

12. The method of claim 10, wherein the first gap with no transmission is at an end of the leading demarcation, adjacent to a start of the downlink message, and the second gap with no transmission is at a start of the second demarcation, adjacent to an end of the downlink message.

14. The method of claim 13, wherein the downlink message is not preceded by a DCI (downlink control information) message.

15. The method of claim 13, wherein the leading demarcation or the trailing demarcation, or both, indicate an identification code of the user device.

16. The method of claim 13, wherein the leading demarcation or the trailing demarcation, or both, indicates a message type, of the downlink message.

17. The method of claim 13, wherein the leading demarcation or the trailing demarcation, or both, are scrambled with an identification code of the user device.